this does not fix his problem because if he WiFi they wouldn't have been roaming to begin with.
If he used the app, he would be roaming, incurring data charges.
Can't tell if you didn't logically think this through or you are pumping your own app.
When I goto US, from Canada, I use T-Mobile Sim for unlimited calling and data 3$ a day...
If you are a US resident you have plenty of carrier options that cover unlimited entire North America coverage.
Also the OP could have cached/saved the area in google maps or installed another GPS/navi software that has a offline map mode.
Now to the article... Should have planned ahead. So many travel addons from carriers, using a SIM card from country you are traveling to... Which I know is available at the exact border crossing shops at the border that the OP went through
This app requires mobile data or wifi
this does not fix his problem because if he WiFi they wouldn't have been roaming to begin with.
If he used the app, he would be roaming, incurring data charges.
Can't tell if you didn't logically think this through or you are pumping your own app.
When I goto US, from Canada, I use T-Mobile Sim for unlimited calling and data 3$ a day...
If you are a US resident you have plenty of carrier options that cover unlimited entire North America coverage.
Also the OP could have cached/saved the area in google maps or installed another GPS/navi software that has a offline map mode.
Now to the article... Should have planned ahead. So many travel addons from carriers, using a SIM card from country you are traveling to... Which I know is available at the exact border crossing shops at the border that the OP went through